The term Hot Dog Days, has evolved to signify the hottest, muggiest stretch of summer, typically occurring from late July to mid-August in the northern hemisphere. While the astronomical connection may have faded, the challenges posed by these relentlessly hot days remain very real, and so do those annoying pests. Embracing the Heat: Finding Comfort in the Unbearable During the hot dog days, the sun's unrelenting heat can make even the simplest activities feel like a workout.